Filters:
People: Heraclius (brother of Tiberius III)

Zurich becomes an Imperial immediacy (Reichsunmittelbar or …

Years: 1218 - 1218

Zurich becomes an Imperial immediacy (Reichsunmittelbar or Imperial free city) in 1218 with the extinction of the main line of the Zähringer family and attains a status comparable to statehood.